Recent MAC improvements

[Matt Anderson]

On Wed, Jun 13, 2007 at 09:12:20AM -0700, Iain Morgan wrote:
> On Tue, Jun 12, 2007 at 17:27:08 -0400, Matt Anderson wrote:
> > On Tue, Jun 12, 2007 at 11:21:32AM +1000, Damien Miller wrote:
> > > On Mon, 11 Jun 2007, Damien Miller wrote:
> > > 
> > > > These changes need testing on as many platforms as possible. In particular
> > > > we are interested in the following corner cases:
> > > > 
> > > > - Old OpenSSL version (0.9.5ish)
> > > > - Testing between big and little endian machines (i386 vs. sparc for example)
> > > > - Testing between previous OpenSSH versions and -current
> > > > - Testing on strict alignment architectures like Alpha and Itanium
> > > 
> > >  - Interoperability against non-OpenSSH implementations
> > 
> > I built the openssh-SNAP-20070613.tar.gz on a RHEL5 Itanium system and
> > was able to successfully connect to an SSH.com server running on a
> > Tru64 Alpha system (SSH-2.0-3.2.0 on v5.1B of Tru64.)
> > 
> > I also was able to use umac-64 at openssh.org when connecting over
> > localhost to my Itanium system.
> > 
> > -matt
> >
> 
> This may have simply been a typo, but you refer to 'umac-64 at openssh.org'
> whereas I believe it should actually be 'umac-64 at openssh.com'.

You're right, I guess my fingers are biased towards typing .org.

I just did some simple transfers and saw a 16.6% improvement on itanium
when using umac-64 at openssh.com over hmac-md5.

-matt